# ClapTimer - BJJ Boxing Timer > Hands-free boxing/BJJ timer - clap to start, pause & reset. No touch needed! Canonical page: [https://chrome-stats.com/d/com.freebooks.claptimer](https://chrome-stats.com/d/com.freebooks.claptimer) ## Overview - **ID:** `com.freebooks.claptimer` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** MagicBooks Editora - **Category:** SPORTS - **Downloads:** 2 - **Version:** 1.4 - **Last updated:** 2026-07-15 - **First published:** 2026-06-29 - **Publisher country:** BR - **Size:** 16 MB - **Data as of:** 2026-09-06 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.freebooks.claptimer) - **Website:** [https://chipper-elf-1dcfef.netlify.app](https://chipper-elf-1dcfef.netlify.app/) - **Privacy policy:** [https://chipper-elf-1dcfef.netlify.app/privacy\_policy\_clap\_timer.html](https://chipper-elf-1dcfef.netlify.app/privacy_policy_clap_timer.html) ## Description 👐 ClapTimer - The Hands-Free Round Timer for Combat Sports & CrossFit

Tired of touching your phone with sweaty gloves? ClapTimer uses AI-powered clap detection to control your round timer completely hands-free. Just clap once to start or pause, clap twice to reset. It's that simple.

🥊 PERFECT FOR:
• Boxing training
• Brazilian Jiu-Jitsu (BJJ) drilling
• Muay Thai rounds
• CrossFit intervals & EMOM workouts
• Wrestling practice
• MMA conditioning
• Tabata & HIIT training
• Any sport that uses round timers

⏱️ HOW IT WORKS:
• 👐 1 Clap → Start or Pause the timer
• 👐👐 2 Claps → Reset the current round
• No need to touch your phone during training!

🎯 KEY FEATURES:

✅ AI-Powered Clap Detection
Uses Google's YAMNet machine learning model running entirely on your device to accurately distinguish claps from speech, music, and background noise. No internet required for detection.

✅ Fully Configurable Timer
• Set round length (minutes or seconds)
• Set rest duration
• Set total number of rounds
• Configure warning countdown (with sound alert before round/rest ends)
• Tap any value to type it directly

✅ Audio Feedback
• Boxing bell sound at round start and end
• Countdown beep warning before time runs out
• Voice announcements: "Round started", "Round paused", "Round over. Rest."
• Sound on/off toggle for silent training
• Voice language matches your device language

✅ Works in Background
• Keeps listening for claps with screen off
• Foreground service with notification
• Stop button in notification
• Auto-stops after 60 minutes of inactivity to save battery

✅ Adjustable Sensitivity
• Slider to fine-tune clap detection sensitivity
• Default set to 90% (highly reactive)
• Lower it if you get false positives in noisy environments

✅ Clean, Dark UI
• Large, readable timer display
• Auto-sizing text fits any screen
• Round/Rest phase clearly indicated with colors
• Works in any screen orientation

🔒 PRIVACY FIRST:
• NO audio is ever recorded, stored, or sent anywhere
• All audio processing happens locally on your device
• No account needed, no tracking, no data collection
• Microphone only active when the listening service is running

💡 TIPS FOR BEST RESULTS:
• Clap loudly and sharply for best detection
• If playing music, use headphones or a Bluetooth speaker (device speakers can interfere with the microphone)
• Adjust sensitivity slider if needed for your environment
• The app works best in environments without constant loud clapping/banging sounds

🌍 AVAILABLE IN 15 LANGUAGES:
English, Portuguese (Brazil), Spanish, French, German, Italian, Russian, Japanese, Korean, Simplified Chinese, Traditional Chinese, Arabic, Hindi, Turkish, Indonesian

📱 REQUIREMENTS:
• Android 10 or higher
• Microphone permission (for clap detection only)

Train harder, train smarter — let ClapTimer handle the clock while you focus on your workout! 🥊🥋💪 ## Rankings - #3,038,937 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.FOREGROUND_SERVICE_MICROPHONE` - `android.permission.INTERNET` - `android.permission.READ_EXTERNAL_STORAGE` - `android.permission.READ_PHONE_STATE` - `android.permission.RECORD_AUDIO` - `android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS` - `android.permission.WAKE_LOCK` - `android.permission.WRITE_EXTERNAL_STORAGE` - `com.android.vending.CHECK_LICENSE` - `com.freebooks.claptimer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.google.android.gms.permission.AD_ID` ## Similar extensions and apps - [BJJ Round Timer](https://chrome-stats.com/d/com.digiras.bjjroundtimer) — 1,963 users - [BoxTimer](https://chrome-stats.com/d/com.boxtimer.app) — 63 users - [Boxing Timer: HIIT & Workout](https://chrome-stats.com/d/com.play3rs.boxingtimer) — 20 users - [Simple Boxing MMA Timer](https://chrome-stats.com/d/com.tjdian.boxingtimer) — 157 users - [Round Timer: Boxing MMA HIIT](https://chrome-stats.com/d/run.round.timer) — 287 users - [Fight Clock: Boxing/HIIT Timer](https://chrome-stats.com/d/com.spikything.fightclock) — 530 users - [Round Timer, Boxing, Sport...](https://chrome-stats.com/d/com.tonproduction.round.timer) — 555 users - [Timer Boxing: MMA & Fitness](https://chrome-stats.com/d/com.timer.boxing) — 3,745 users - [Boxing Timer: Round Timer](https://chrome-stats.com/d/kr.co.royzero.boxingtimer) — 164 users - [Boxing Round Timer](https://chrome-stats.com/d/com.gamagori88.roundtimer) — 1,369 users - [Boxing Timer - Round Trainer](https://chrome-stats.com/d/dev.independence.boxingtimer) — 45 users - [Boxing Timer: HIIT & MMA](https://chrome-stats.com/d/com.dermarto.boxingtimer) — 2,727 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.freebooks.claptimer)